Home / 1,145,631.20-1,718,009.40-346,647.20

Finding the Fourth Proportional to 1,145,631.20, 1,718,009.40 and 346,647.20

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Solution

The fourth proportional to 1,145,631.20, 1,718,009.40 and 346,647.20 is: 519,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,631.20 : 1,718,009.40 = 346,647.20 : x
  2. Step 2: Convert to fraction form
    1,145,631.20/1,718,009.40 = 346,647.20/x
  3. Step 3: Cross multiply
    1,145,631.20x = 1,718,009.40 × 346,647.20
  4. Step 4: Simplify right side
    1,145,631.20x = 595,543,148,083.68
  5. Step 5: Solve for x
    x = 595,543,148,083.68/1,145,631.20
  6. Step 6: Final answer
    x = 519,838.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.